Huawei DBS3900 Installation Manual page 119

DBS3900 LampSite
Installation Guide
Step 2 Place the U-shaped metal plate across the keel. Use a marker to mark the projective positions
of the mounting holes on the suspended ceiling plate, as shown in
Figure 8-26 Anchor points on the suspended ceiling plate
To prevent inhalation or eye contact with dust, take adequate preventive measures when
drilling holes.
Step 3 Use a hammer drill to drill holes at the anchor points. You are advised to use the hammer drill
with Ф12 bore.
Step 4 Lead two bolts (M4) through the mounting bracket and the ceiling plate. Use a torque
screwdriver to torque the bolts to 1.4 N•m, as shown in
Issue 06 (2015-10-30)
CAUTION
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8 Installing a pRRU3902
Figure 8-26.
Figure 8-27.
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